Perhaps you should try some spelling variations:
hieu suat » hieu luat, hieu qua
thanh ve » hanh ve, thanh va, thanh vien
tieu su » thieu so
nang ma » tang ma, sang ma, nang cao
hieu su » hieu sau, hieu so, hieu qua
ve cua » le cua, de cua, te cua
xu gia » xu giao, vu gia
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang ma hoi. ((((hieu su) OR (hieu suat))) or (tieu su)) chao xu gia thanh ve cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ma hoi. ((((hieu su) OR (hieu suat))) OR (tieu su)) chao xu gia thanh ve cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang ma hoi. ((((hieu su) OR (hieu suat))) or (tieu su)) chao xu gia thanh ve cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ma hoi. ((((hieu su) OR (hieu suat))) or (tieu su)) chao xu gia thanh ve cua te*.